Re: A question about the tertiary (? : ) operator

Article View: comp.std.c

Article #479

#479

From: John F. Haugh II
Date: Tue, 22 Aug 1989 13:28

21 lines
1359 bytes

In article <612@cybaswan.UUCP> iiitsh@cybaswan.UUCP (Steve Hosgood) writes:
>I never noticed until last night that the conditional operator:
>
><condition>? <val1>: <val2>
>
>..is not a valid lvalue, even if both <val1> and <val2> are lvalues!
>I wanted to say:
>
>(flag > 0? foo: bar) = <complex expression>;
>
>..which didn't work, needless to say. I had to employ a temporary variable
>and an 'if' statement in the end :-(.

There is a way to do this ...

	*((type_of_foobar *) flag > 0 ? &foo:&bar) = <complex expression>
-- 
John F. Haugh II                        +-Quote of the month club: ------------
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Path: arc1-ca.pugleaf.net!utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!csd4.csd.uwm.edu!cs.utexas.edu!natinst!rpp386!jfh
From: jfh@rpp386.Dallas.TX.US (John F. Haugh II)
Newsgroups: comp.std.c,comp.lang.c
Subject: Re: A question about the tertiary (? : ) operator
Message-ID: <16928@rpp386.Dallas.TX.US>
Date: 22 Aug 89 13:28:44 GMT
References: <612@cybaswan.UUCP>
Reply-To: jfh@rpp386.cactus.org (John F. Haugh II)
Followup-To: comp.lang.c
Organization: TrishTrash Readers, Inc.
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